<template>
  <div class="login-wrap">
    <el-form
      label-position="left"
      :model="ruleForm"
      :rules="rules"
      ref="ruleForm"
      label-width="0px"
      class="demo-ruleForm login-container"
    >
      <h3 class="title">用户登录</h3>
      <el-form-item prop="username">
        <el-input type="text" v-model="ruleForm.username" auto-complete="off" placeholder="账号"></el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input type="password" v-model="ruleForm.password" auto-complete="off" placeholder="密码"></el-input>
      </el-form-item>
      <el-row>
        <el-col :span="12">
          <el-form-item prop="captcha">
            <el-input
              type="text"
              v-model="ruleForm.captcha"
              auto-complete="off"
              placeholder="图形验证码"
              @keyup.enter.native="submitForm('ruleForm')"
            ></el-input>
          </el-form-item>
        </el-col>
        <el-col :span="12" class="code-box">
          <img :src="ruleForm.codeimg" alt class="codeimg" @click="getcode()">
        </el-col>
      </el-row>
      <el-checkbox class="remember" v-model="rememberpwd">记住密码</el-checkbox>
      <el-form-item style="width:100%;">
        <el-button
          type="primary"
          style="width:100%;"
          @click="submitForm('ruleForm')"
          :loading="logining"
        >登录</el-button>
      </el-form-item>
    </el-form>
  </div>
</template>
<script type="text/ecmascript-6">
import { login,verifyCode, test } from "../api/user";
import { setCookie, getCookie, delCookie } from "../utils/util";
export default {
  name: "login",
  data() {
    return {
      //定义loading默认为false
      logining: false,
      // 记住密码
      rememberpwd: false,
      ruleForm: {
        //username和password默认为空
        username: "",//用户名
        password: "",//用户密码
        captcha: "",//验证码
        codeimg: ""//请求验证码地址串
      },
      //rules前端验证
      rules: {
        username: [{ required: true, message: "请输入账号", trigger: "blur" }],
        password: [{ required: true, message: "请输入密码", trigger: "blur" }],
        captcha: [{ required: true, message: "请输入验证码", trigger: "blur" }]
      }
    };
  },
  created(){
    this.getcode()
  },
  methods: {
    // 获取用户名密码
    getuserpwd() {
      if (getCookie("user") != "" && getCookie("pwd") != "") {
        this.ruleForm.username = getCookie("user");
        this.ruleForm.password = getCookie("pwd");
        this.rememberpwd = true;
      }
    },
    getcode(){
      //let声明的变量可以改变，值和类型都可以改变，没有限制
      let random = Math.ceil(Math.random()*10)
      this.ruleForm.codeimg = "/api/captcha/verifyCode?"+`${random}`
    },
    //获取info列表
    submitForm(formName) {
      this.$refs[formName].validate(valid => {
        if (valid) {
          this.logining = true;
          // 测试通道，不为空直接登录
          // setTimeout(() => {
          //   this.logining = false;
            // this.$store.commit('login', 'true')
          //   test(this.ruleForm.username)
          //     .then(res => {
          //       if (res.code == 0) {
          //         this.$router.push({ path: "/home" });
          //       } else {
          //         console.log(res.code);
          //         alert(res.msg)
          //       }
          //     })
          //     .catch(error => {
          //       console.log(error);
          //     });
          // }, 1000);

          // 注释
          login(this.ruleForm).then(res => {
            if (res.success) {
              if (this.rememberpwd) {
                //保存帐号到cookie，有效期7天
                setCookie('user', this.ruleForm.username, 7)
                //保存密码到cookie，有效期7天
                setCookie('pwd', this.ruleForm.password, 7)
              } else {
                delCookie('user')
                delCookie('pwd')
              }
              //如果请求成功就让他2秒跳转路由
              setTimeout(() => {
                this.logining = false
                // 缓存token
                // localStorage.setItem('logintoken', res.data.token)
                // 缓存用户个人信息
                localStorage.setItem('userdata', JSON.stringify(res.data))
                //commit方法的第一个参数是要发起的mutation名称，后面的参数均当做额外数据传入mutation定义的方法中。
                this.$store.commit('login', 'true')
                this.$router.push({ path: '/home' })
              }, 1000)
            } else {
              this.$message.error(res.msg);
              this.getcode();
              this.logining = false
              return false
            }
          })
        } else {
          // 获取图形验证码
          this.getcode();
          this.$message.error("请输入用户名密码！");
          this.logining = false;
          return false;
        }
      });
    }
  }
};
</script>

<style scoped>
.login-wrap {
  box-sizing: border-box;
  width: 100%;
  height: 100%;
  padding-top: 10%;
  /*background-image: */
  /* background-color: #112346; */
  background-repeat: no-repeat;
  background-position: center right;
  background-size: 100%;
}
.login-container {
  border-radius: 10px;
  margin: 0px auto;
  width: 350px;
  padding: 30px 35px 15px 35px;
  background: #fff;
  border: 1px solid #eaeaea;
  text-align: left;
  box-shadow: 0 0 20px 2px rgba(0, 0, 0, 0.1);
}
.title {
  margin: 0px auto 40px auto;
  text-align: center;
  color: #505458;
}
.remember {
  margin: 0px 0px 35px 0px;
}
.code-box {
  text-align: right;
}
.codeimg {
  height: 40px;
}
</style>
